gecko/dom/system/gonk/AudioChannelManager.cpp

82 lines
2.3 KiB
C++

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/Hal.h"
#include "mozilla/HalTypes.h"
#include "AudioChannelManager.h"
#include "nsIDOMClassInfo.h"
using namespace mozilla::hal;
#ifdef MOZ_AUDIO_CHANNEL_MANAGER
DOMCI_DATA(AudioChannelManager, mozilla::dom::system::AudioChannelManager)
#endif
namespace mozilla {
namespace dom {
namespace system {
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(AudioChannelManager,
nsDOMEventTargetHelper)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(AudioChannelManager,
nsDOMEventTargetHelper)
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_IMPL_ADDREF_INHERITED(AudioChannelManager, nsDOMEventTargetHelper)
NS_IMPL_RELEASE_INHERITED(AudioChannelManager, nsDOMEventTargetHelper)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(AudioChannelManager)
NS_INTERFACE_MAP_ENTRY(nsIAudioChannelManager)
NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(AudioChannelManager)
NS_INTERFACE_MAP_END_INHERITING(nsDOMEventTargetHelper)
AudioChannelManager::AudioChannelManager()
: mState(SWITCH_STATE_UNKNOWN)
{
RegisterSwitchObserver(SWITCH_HEADPHONES, this);
mState = GetCurrentSwitchState(SWITCH_HEADPHONES);
}
AudioChannelManager::~AudioChannelManager()
{
UnregisterSwitchObserver(SWITCH_HEADPHONES, this);
}
void
AudioChannelManager::Init(nsPIDOMWindow* aWindow)
{
BindToOwner(aWindow->IsOuterWindow() ?
aWindow->GetCurrentInnerWindow() : aWindow);
}
/* readonly attribute boolean headphones; */
NS_IMETHODIMP
AudioChannelManager::GetHeadphones(bool *aHeadphones)
{
*aHeadphones = mState == SWITCH_STATE_ON ? true : false;
return NS_OK;
}
NS_IMPL_EVENT_HANDLER(AudioChannelManager, headphoneschange)
void
AudioChannelManager::Notify(const SwitchEvent& aEvent)
{
if (aEvent.status() == SWITCH_STATE_ON ||
aEvent.status() == SWITCH_STATE_HEADSET ||
aEvent.status() == SWITCH_STATE_HEADPHONE) {
mState = SWITCH_STATE_ON;
} else {
mState = SWITCH_STATE_OFF;
}
DispatchTrustedEvent(NS_LITERAL_STRING("headphoneschange"));
}
} // namespace system
} // namespace dom
} // namespace mozilla